UR5LX
Russian Coax Relays
2 REW14 relays | REW 14 | REW 14 |
2 REW 14 | connector | REW 15 |
REW 14 (back) REW 15 (front) |
REW 14 (left) REW 15 (right) |
REW 16 50 Ohm |
REW 17 75 Ohm |
REW 17 (left) REW 16 (right) |
REW 17 (left) REW 16 (right) |
close knit | close knit | close knit | close knit |
SR75 empty | SR75 SR50 | TX RX |
> Hello, > > I did a quick test with 3 pcs russian REW14 coax relays. The setup was > very simple: > HP432A power meter, two attenuators (-30dB) and transceiver. > Measured results > (isolation) are: > ----------------------------------------- > 144 MHz > - 44,6 dB -45,3dB - 45,7dB > ----------------------------------------- > 432 MHz > -34,8dB -35,4 dB - 35,8dB > ------------------------------------------ > 1296 MHz > -24,7 dB -25,4dB -25,7 dB > ------------------------------------------- > Note: this is the isolation with quite correct loaded relay outputs, I > did not check the SWR, > but the attenuators are very good quality (50 ohm) up to 10 GHz. The > isolation has not been > checked with worse SWR. > 73/GL Marko LZ2US >